Perform an action when post is updated/published

4 comments

1. The save_post action fires When a post is updated and/or published — including when a new post is inserted.

   <?php
   add_action( 'save_post', 'wpse41912_save_post' );
   function wpse41912_save_post()
   {
       // do stuff
   }
   

   If you want your functions to fire only when a post is being edited, you can hook into edit_post.

   If you want it to fire when a post is moved from draft to publish you can hook into transition_post_status.

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2. There are several actions you can use. For example:

   • save_post
   • edit_post
   • publish_post
   • etc.

   While lesser-used, there are also post-status transition hooks.

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3. the edit_post hook is probably the best hook… as it fires whenever a post/page is published or updated. save_post is another viable option… maybe better if you don’t need it to fire when comments are updated.

   http://codex.wordpress.org/Plugin_API/Action_Reference

   the save_post page in the codex has an example of a function that fires whenever a post is saved:

   http://codex.wordpress.org/Plugin_API/Action_Reference/save_post

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4. If you want to perform an action when any custom post update/save –

   add_action('save_post','save_post_callback');
   function save_post_callback($post_id){
   global $post; 
   if ($post->post_type != 'MY_CUSTOM_POST_TYPE_NAME'){
       return;
   }
   //if you get here then it's your post type so do your things....
   }
   

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